-18r+20=-20-16r

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Solution for -18r+20=-20-16r equation: 



-18r+20=-20-16r

We move all terms to the left:

-18r+20-(-20-16r)=0

We add all the numbers together, and all the variables

-18r-(-16r-20)+20=0

We get rid of parentheses

-18r+16r+20+20=0

We add all the numbers together, and all the variables

-2r+40=0

We move all terms containing r to the left, all other terms to the right

-2r=-40

r=-40/-2

r=+20

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